trace/probes: Remove kernel doc style from non kernel doc comment

  CC      kernel/trace/trace_kprobe.o
kernel/trace/trace_kprobe.c:41: warning: cannot understand function prototype: 'struct trace_kprobe '

The real problem is that a comment looked like kerneldoc when it shouldn't be...

Link: http://lkml.kernel.org/r/2812.1552381112@turing-policeSigned-off-by: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

kernel/trace/trace_kprobe.c

@@ -35,7 +35,7 @@ static struct dyn_event_operations trace_kprobe_ops = {
 	.match = trace_kprobe_match,
 };
 
-/**
+/*
  * Kprobe event core functions
  */
 struct trace_kprobe {